Most services you might use to save links for future reference or reading are part social network and part sharing service. They’re designed to help you share those links, or make big lists. LinkLocker is none of those—it’s completely private, and the only person who can see your bookmarks is you. It’s perfect.

Over the past two weeks we have, like we do every year, given you a snapshot of the essential apps, extensions, and downloads we think every user of every major platform should try. Miss one? Here they all are, in one tidy package.

Firefox: Usable Home Button transforms the “Home” button in Firefox to a quick button that takes you to the homepage of any website you’re visiting. So for example, if you were reading this article with it installed, one click would take you right back to the Lifehacker main page.

Firefox: The sidebar in Firefox is super customizable, as you can change its position, open stuff like bookmarks or downloads, and even load any web page. OmniSidebar makes it easier to use than ever before.

Firefox: It's no secret that Firefox takes up a lot of your computer's resources, and pages that load for a long time—I'm looking at you, HuffPo—can end up freezing or crashing the browser. KillSpinners stops that from happening.

Dear Lifehacker,
I'm a big Chrome user and saw that there's yet another "channel" (Canary) out for us Mac users to try. I've always been a little bit unsure about which one of these I should be running; could you give me some advice?

Windows/Mac/Linux: Firefox 4 is officially out, and it's got a lot going for it, including a more minimalistic interface, synchronization, and a serious speed increase. Here's what you have to look forward to in Firefox 4.

Five years ago, an open-source browser called Firefox—one that didn't ship with your computer—was available as a 1.0 download. To say it's changed the world's web experience is understatement. Here's a look back at five years of the 'fox.

It's no secret that Firefox has long been our favorite browser, but much has changed recently. The browser landscape is increasingly competitive, so with that in mind, we'd like to suggest a few features and improvements we're desperate to see from Firefox.